<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script src="./js/vue.js"></script>
    <div id='app'><!--使用数组将多个对象中定义的样式绑定到div-->
        <div :style="[baseStyle,moreStyle]">Hello vue.js</div>
    </div>
    
    <script>
        let app =new Vue({
             el:"#app",
             data:{
                baseStyle: {
                    border:'2px solid black'
                },
                moreStyle:{
                    width:'100px',
                    height:'100px'
                }
             }
        })
    </script>
</body>
</html>